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Rellenos Casserole Recipe

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4.3 from 87 reviews

Rellenos Casserole is a comforting Southwestern-inspired baked dish that features smoky roasted green chiles layered with a rich blend of Monterey Jack and sharp Cheddar cheeses, all encased in a fluffy, custardy egg mixture. Baked to a golden perfection, this casserole offers a delightful balance of creamy, tangy, and mildly spicy flavors, perfect for a hearty breakfast, brunch, or cozy dinner.

  • Total Time: 50 minutes
  • Yield: 6 servings

Ingredients

Vegetables & Peppers

  • 6 large roasted green chiles, peeled and seeded

Cheeses

  • 2 cups shredded Monterey Jack cheese
  • 1 cup shredded sharp Cheddar cheese

Egg Mixture

  • 5 large eggs
  • 1/2 cup whole milk
  • 2 tablespoons all-purpose flour
  • 1 teaspoon baking powder
  • 1/2 teaspoon salt
  • 1/4 teaspoon black pepper

Other

  • Cooking spray or butter for greasing the dish

Instructions

  1. Preheat Your Equipment: Preheat your oven to 375°F (190°C) and lightly grease a baking dish with butter or cooking spray to prevent sticking and help develop a golden crust.
  2. Combine Ingredients: In a mixing bowl, whisk together the eggs, whole milk, all-purpose flour, baking powder, salt, and black pepper until the mixture is smooth and well combined. This will create the light, soufflé-like custard base of the casserole.
  3. Prepare Your Cooking Vessel: Spread half of the roasted green chiles evenly across the bottom of the prepared baking dish to form the first layer.
  4. Assemble the Dish: Sprinkle half of the Monterey Jack and sharp Cheddar cheeses over the layer of green chiles. Then add the remaining green chiles on top, followed by the rest of the cheeses. Pour the egg mixture evenly over the entire assembled layers to bind everything together.
  5. Cook to Perfection: Bake the casserole uncovered in the preheated oven for 30 to 35 minutes, or until the top turns golden brown and the center is fully set but still soft and custardy.
  6. Finishing Touches: Remove the casserole from the oven and let it rest for at least 10 minutes. This rest period helps it firm up for easier slicing and serving.
  7. Serve and Enjoy: Serve the casserole warm, optionally topped with fresh cilantro, sliced avocado, or a drizzle of sour cream for added freshness and creaminess.

Notes

  • Roast your green chiles beforehand for authentic smoky flavor or use canned roasted green chiles for convenience.
  • Ensure the eggs and milk mixture is well whisked to incorporate air for a light texture.
  • Allow the casserole to rest before slicing to achieve clean slices and avoid crumbling.
  • Customize toppings like sour cream, avocado, or fresh herbs to add freshness and contrast.
  • This dish can be made ahead and reheated gently in the oven.
  • Author: Olivia
  • Prep Time: 15 minutes
  • Cook Time: 35 minutes
  • Category: Casserole
  • Method: Baking
  • Cuisine: Southwestern